the triangle are the angle of triangles are 2x - 7 degree X + 25 degree and 3 X + 12 degree find each of angles of the triangle
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Add all angles: 2x - 7 + x + 25 + 3x + 12 = 6x + 30 = 180
6x = 150
Therefore x = 25
The angles are: 43, 50, 87.
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